This document contains questions about biological and environmental factors that influence criminal behavior. It asks about behavior genetics and adoption studies on the interaction between heredity and environment. It also defines concepts like concordance, plasticity, serotonin and executive function. The document discusses twin research and the importance of shared environment. It further examines temperament and the development of antisocial behavior. Additional questions cover theories of criminal behavior acquisition, situational factors, physiological factors associated with aggression and gender differences in aggression.